EPA 601 - 624Mix

1,1,1-Trichloroacetone

2,3,6-Trimethylbenzothiophene, 150µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91144-23-9

2,2'-Dihydroxy-4,4'-dimethoxybenzophenone-5,5'-dis